RicaniidaeÃÂ is aÃÂ familyÃÂ ofÃÂ planthopperÃÂ insects, containing over 400ÃÂ speciesÃÂ worldwide. The highest diversity is in tropicalÃÂ AfricaÃÂ andÃÂ AsiaÃÂ and inÃÂ Australia, with a few species occurring in theÃÂ PalearcticÃÂ andÃÂ NeotropicalÃÂ realms. It is one of the smaller families in the planthopperÃÂ superfamilyÃÂ Fulgoroidea. & x28;Wikipedia& x29;